"But the source which produces these spirits is usually so abundant that they enter these cavities in sufficient quantity to have the force to push out against the surrounding matter and make it expand, thus tightening all the tiny nerve-fibres which come from it (in the way that a moderate wind ...

"The strange and absurd Variety that is so apparent in Men's Actions, shews plainly they can never proceed immediately from Reason; so pure a Fountain emits no such troubled Waters: They must necessarily arise from the Passions, which are to the Mind as the Winds to a Ship, they only can move it,...

"Unsteady nature, varying like the wind, / Hurries to each extreme th'unstable mind; / At sea becalm'd, we wish some brisker gales / Would on us rise, and fill our limber sails: / We have our wish; and straight our skiff is toss'd / So high, we are in danger to be lost."